System and method for detecting targets by aid of radar-assisted infrared sensors
A technology of infrared sensors and radar sensors, which is applied in the field of avionics, can solve problems such as tracking problems, target maneuvering, and insufficient attention to the distance dimension, achieving a balance between aircraft stealth and target detection effects, and reducing radiation time.
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[0041] The radar-assisted infrared target detection system of the present invention has a structure such as figure 1 shown. The system mainly includes infrared independent tracking module, infrared / radar cooperative tracking module, radar radiation control module, tracking mode selection and switching module.
[0042] The plane moves in a straight line at a uniform speed from the coordinate origin, the speed is (150, 100, 30) m / s, the target moves in a horizontal circular motion at a constant speed, the coordinates of the center of the circle are (30, 40, 0.6) km, the radius of motion is 5 km, and the angular velocity is 0.08 rad / s. The sampling interval is 50ms, the sampling is 4000 shots, the radar sensor is radar, the infrared sensor is infrared, and the radar and infrared sampling time are synchronized. The performance indicators of radar and infrared data received by the system are shown in Table 1:
[0043]
distance (m)
Radial speed (m / s)
Azimuth...
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